Finding the Fourth Proportional to 569,478.24, 785,841.48 and 314,794.80
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Solution
The fourth proportional to 569,478.24, 785,841.48 and 314,794.80 is: 434,395.55
Step by Step Solution
- Step 1: Write the proportion equation
569,478.24 : 785,841.48 = 314,794.80 : x - Step 2: Convert to fraction form
569,478.24/785,841.48 = 314,794.80/x - Step 3: Cross multiply
569,478.24x = 785,841.48 × 314,794.80 - Step 4: Simplify right side
569,478.24x = 247,378,811,528.30 - Step 5: Solve for x
x = 247,378,811,528.30/569,478.24 - Step 6: Final answer
x = 434,395.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.